(RECAP: Senate Republicans are likely to press Federal Reserve Chair Janet Yellen Tuesday for a more specific timetable for raising short-term interest rates as the labor market and inflation continue to pick up steam. Economists, however, expect Yellen to largely deflect such questions, reiterating that the path of interest rates depends on how quickly the economy continues to progress during an uncertain period. Yellen is scheduled to deliver her semi-annual report on monetary policy to the Senate Banking Committee as the Fed grapples with myriad challenges.)